wcfm-group-duplicate-button

add_action('wcfm_vendor_groups_actions', function($actions, $wcfm_groups_single) {
    $actions .= '<a class="wcfm_group_duplicate wcfm-action-icon" href="#" data-groupid="' . $wcfm_groups_single->ID . '"><span class="wcfmfa fa-copy text_tip" data-tip="' . esc_attr__( 'Duplicate', 'wc-frontend-manager' ) . '"></span></a>';
    return $actions;
}, 10, 2);

add_action('after_wcfm_groups', function() {
    ?>
    <script>
        jQuery(function($) {
            $('#wcfm-groups').on('click', '.wcfm_group_duplicate', function(){
                $('#wcfm-groups_wrapper').block({
                    message: null,
                    overlayCSS: {
                        background: '#fff',
                        opacity: 0.6
                    }
                });
                var data = {
                    action : 'wcfmgs_duplicate_group',
                    groupid : $(this).data('groupid'),
                    wcfm_ajax_nonce: wcfm_params.wcfm_ajax_nonce
                }
                $.ajax({
                    type:       'POST',
                    url: wcfm_params.ajax_url,
                    data: data,
                    success:    function(response) {
                        if(response) {
                            $response_json = $.parseJSON(response);
                            if($response_json.status) {
                                if( $response_json.redirect ) window.location = $response_json.redirect;
                            }
                        }
                    }
                });
                $('#wcfm-groups_wrapper').unblock();
                return false;
            });
        });
    </script>
    <?php
});
add_action('wp_ajax_wcfmgs_duplicate_group', function() {
    global $wpdb;
    if ( ! check_ajax_referer( 'wcfm_ajax_nonce', 'wcfm_ajax_nonce', false ) ) {
        wp_send_json_error( __( 'Invalid nonce! Refresh your page and try again.', 'wc-frontend-manager' ) );
        wp_die();
    }
    if ( empty( $_POST['groupid'] ) ) {
        echo '{"status": false, "message": "' .  __( 'No group to copy' ) . '"}';
    }
    $group_id = isset( $_POST['groupid'] ) ? absint( $_POST['groupid'] ) : '';
    $post = get_post( $group_id );

    if (isset( $post ) && $post != null) {
        $args = array(
            'comment_status' => $post->comment_status,
            'ping_status'    => $post->ping_status,
            'post_author'    => $post->post_author,
            'post_content'   => $post->post_content,
            'post_excerpt'   => $post->post_excerpt,
            'post_name'      => $post->post_name,
            'post_parent'    => $post->post_parent,
            'post_password'  => $post->post_password,
            'post_status'    => 'draft',
            'post_title'     => $post->post_title . " (Copy)",
            'post_type'      => $post->post_type,
            'to_ping'        => $post->to_ping,
            'menu_order'     => $post->menu_order
        );

        $new_post_id = wp_insert_post( $args );

        $post_meta_infos = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->postmeta WHERE post_id=$group_id");
        if (count($post_meta_infos)!=0) {
            $sql_query = "INSERT INTO $wpdb->postmeta (post_id, meta_key, meta_value) ";
            foreach ($post_meta_infos as $meta_info) {
                $meta_key = $meta_info->meta_key;
                if( $meta_key == '_wp_old_slug' ) continue;
                $meta_value = addslashes($meta_info->meta_value);
                $sql_query_sel[]= "SELECT $new_post_id, '$meta_key', '$meta_value'";
            }
            $sql_query.= implode(" UNION ALL ", $sql_query_sel);
            $wpdb->query($sql_query);
        }
        echo '{"status": true, "redirect": "' . get_wcfm_groups_manage_url( $new_post_id ) . '", "id": "' . $new_post_id . '"}';
    }
    die;
});